Description of algorithm
Full domain
American sector
European sector
Asian sector
GODAE regions
  Ice concntr, edge pos
  Contingency tables

Validation of sea ice concentration - GODAE regions

Bulletin date: 2016-03-24

Model: ARC MFC - TOPAZ

Data source: OSI SAF N.H. sea ice concentration

Model vs. observations, sea ice class contingency tables

Date: 2016-03-28

Best estimate

Forecast

Arctic Deep Basin:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 17 52 11 0 0 0 0
OW 0 23 36 29 6 0 0 0
VODI 0 19 40 61 18 0 0 0
ODI 0 15 14 41 22 0 0 0
CDI 0 10 15 53 44 5 4 0
VCDI 0 1 46 116 401 879 5557 29367
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 2 1 0 0 0 0
OW 0 3 15 12 2 0 0 0
VODI 0 9 30 10 7 0 0 0
ODI 0 4 11 15 14 0 0 0
CDI 0 4 6 22 32 4 7 1
VCDI 0 65 139 251 436 880 5554 29366

Queen Elisabeth Islands:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 64 135 152 2051 731
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 5 0 0 0
VCDI 0 0 0 64 130 152 2051 731

Beaufort Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 164 2376 7442
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 164 2376 7442

Chuckchi Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 28 1644 3982
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 28 1644 3982

Siberian Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 1 4 625 6616
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 2
VCDI 0 0 0 0 1 4 625 6614

Laptev Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 39 1606 3681
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 39 1606 3681

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 127 30 1 0 0 0 0
OW 0 42 19 0 0 0 0 0
VODI 0 31 35 10 0 0 0 0
ODI 0 0 25 47 6 1 0 0
CDI 0 0 3 62 40 15 50 4
VCDI 0 0 0 4 86 226 4005 1462
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 84 20 1 0 0 0 0
OW 0 29 7 0 0 0 0 0
VODI 0 31 11 0 0 0 0 0
ODI 0 25 10 1 1 0 0 0
CDI 0 25 14 22 6 3 45 10
VCDI 0 6 50 100 125 239 4010 1456

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1570 6426 548 96 0 0 0 0
OW 0 159 177 185 0 0 0 0
VODI 0 24 119 192 15 0 0 0
ODI 0 0 25 129 82 9 0 0
CDI 0 0 4 139 161 70 24 0
VCDI 0 0 0 123 594 285 175 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 1570 6037 341 30 0 0 0 0
OW 0 305 153 60 0 0 0 0
VODI 0 190 173 162 3 0 0 0
ODI 0 61 84 173 57 13 0 0
CDI 0 16 82 109 159 46 0 0
VCDI 0 0 40 330 633 305 199 0

Greenland Basin:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 4260 4221 382 143 12 0 0 0
OW 0 29 28 59 22 0 0 0
VODI 0 12 28 58 48 0 0 0
ODI 0 3 20 29 53 2 0 0
CDI 0 0 19 49 76 30 4 0
VCDI 0 0 0 32 143 760 1174 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 4260 4163 319 121 5 0 0 0
OW 0 41 53 47 27 0 0 0
VODI 0 34 37 57 41 0 0 0
ODI 0 20 20 34 53 4 0 0
CDI 0 7 21 32 60 21 1 0
VCDI 0 0 27 79 168 767 1177 0

Southeast Greenland:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 7196 4010 465 334 54 16 0 0
OW 0 1 38 123 45 2 0 0
VODI 0 0 14 60 89 11 0 0
ODI 0 0 2 34 77 63 0 0
CDI 0 0 0 18 71 206 19 0
VCDI 0 0 0 0 2 38 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 7196 3992 415 373 100 19 0 0
OW 0 15 50 87 31 12 0 0
VODI 0 4 36 34 84 14 0 0
ODI 0 0 13 21 48 75 0 0
CDI 0 0 5 44 48 127 13 0
VCDI 0 0 0 10 27 89 6 0

Baffin Bay:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 3 2 4 0 0
VODI 0 0 0 50 26 12 0 0
ODI 0 0 0 34 55 23 0 0
CDI 0 0 0 4 105 109 0 0
VCDI 0 0 0 0 235 1294 3447 400
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 1 0 0
OW 0 0 0 0 2 9 0 0
VODI 0 0 0 1 13 20 0 0
ODI 0 0 0 36 11 21 0 0
CDI 0 0 0 45 57 52 0 0
VCDI 0 0 0 9 340 1339 3447 400

Hudson Bay:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 2 0 7
VCDI 0 0 0 0 25 1339 5912 1302
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 1 0 0
VCDI 0 0 0 0 25 1340 5912 1309

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6743 6247 799 708 219 3 0 0
OW 0 2 20 158 255 14 0 0
VODI 0 0 0 42 347 72 0 0
ODI 0 0 0 0 309 321 0 0
CDI 0 0 0 0 45 1428 149 0
VCDI 0 0 0 0 41 1031 1256 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6743 6243 785 792 331 4 0 0
OW 0 6 34 108 302 32 0 0
VODI 0 0 0 8 339 199 0 0
ODI 0 0 0 0 130 424 0 0
CDI 0 0 0 0 76 1262 197 0
VCDI 0 0 0 0 38 948 1208 0


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